const mysql = require("mysql2");

const config = require("./config");

/**
 * 创建数据库连接池
 */
const connections = mysql.createPool({
  host: config.MYSQL_HOST,
  port: config.MYSQL_PORT,
  database: config.MYSQL_DATABASE,
  user: config.MYSQL_USER,
  password: config.MYSQL_PASSWORD
});

connections.getConnection((err, conn) => {
  conn.connect((err) => {
    if(err) {
      console.log("数据库连接失败", err);
    } else {
      console.log("连接数据库成功");
    }
  })
})
 module.exports = connections.promise();
